Older Versions of Pages Used to Find and Replace Formatting and Styles
You could find and replace words formatted in bold, italic and so on, plus words formatted with styles. This was years back before Apple worked to make all of its apps on Mac, iPad, iCloud, iPhone identical in function. Formatting and style find and replace worked well for Apple. But that is now gone. Users of MS Word sometimes call this function "robust" but it really does not work well in Word. Plus Word continues to suffer from file corruption issues. For 20 years I have used TeX and its children—LaTeX, ConTeXt, Xetex…—with text editors rather than word processors. Good text editors use regular expressions for find and replace, making them robust in reality. Plus text editors never corrupt files. I miss Pages, but write professionally, so need the flexibility and excellent output of TeX.
MacBook